publicclassPerson{privateStringname;privateStringbirthday;privateStringsex;publicvoidfright(){System.out.println("i'mfrighting");}publicvoideating(){System.out.println("w...
public class Person{
private String name;
private String birthday;
private String sex;
public void fright(){
System.out.println("i'm frighting");
}
public void eating(){
System.out.println("wo yao chi fan");
}
public void walking(){
System.out.println("wo yao zou lu");
}
public void setName(String name){
this.name=name;
}
public void setSex(String sex){
this.sex=sex;
}
public void setBirthday(String birthday){
this.birthday=birthday;
}
public String getName(){
return name;
}
public String getBirthday(){
return birthday;
}
public String getSex(){
return sex;
}
public void getAllInformation(){
System.out.println("我的生日:"+getBirthday()+",我的性别:"+getSex()+",我名字"+getName());
}
}
最后的allinformation为什么可以这样写，这样写有什么用
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